Save up to 75% on international calls

Boston, MA based customer service

USA: (800) 219-6993

Global: +1 (617) 861-4107

"This is an excellent and reliable card. I have used it for many years."

Glenda M, FL

"Thank you for what has been VERY good service from COMFI regarding my BIZON card. I've referred several other persons to you. Each of them has also had a good experience. You have enabled me to gift my Wife and two stepdaughters with unlimited calling to Bavaria where her aged Parents (their Grandparents) live."